World Environment Day 2025: Know date, theme, significance and other important things about June 5

World Environment Day is celebrated on June 5 every year. Around the world, people commemorate the day to raise and maintain awareness of environmental action. United Nations Environment Programme (UNEP) has been leading it since 1973 with more than 150 countries involved. It is the largest worldwide platform for environmental outreach.

World Environment Day 2025 Date

This year, World Environment Day is falling on Thursday, June 5.

Theme of World Environment Day 2025

This year, the theme of World Environment Day is ‘Putting an End to Plastic Pollution’. The goal of this theme is to lessen the harm that plastic waste does to animals, human health, and marine life.

World Environment Day: Significance

The day spreads awareness about environment issues. It also motivates people to work towards environmental preservation.

World Environment Day quotes and slogans

Quotes

“We won’t have a society if we destroy the environment.” — Margaret Mead, cultural anthropologist and environmental advocate
“The environment is where we all meet; where we all have a mutual interest; it is the one thing all of us share.” — Lady Bird Johnson, former U.S. First Lady and environmentalist
“One of the first conditions of happiness is that the link between man and nature shall not be broken.”— Leo Tolstoy, author and thinker
“What we are doing to the forests of the world is but a mirror reflection of what we are doing to ourselves and to one another.” — Mahatma Gandhi

Slogans

• If you can’t reuse it, refuse it.
• Say no to plastic today, save Earth tomorrow.
• Plastic doesn’t break down — but we can break the cycle.
• The ocean is not a dumpster — ban single-use plastic.
• Be fantastic — say no to plastic.
• Your plastic choice today becomes someone’s pollution tomorrow.
• A plastic-free planet starts with a single decision.